<ref>

<ref> (reference) defines a reference to another location, possibly modified by additional text or comment. [3.6 Simple Links and Cross-References 16.1 Links]
Modulcore — 3 Elements Available in All TEI Documents
Attributeatt.global (@xml:id, @n, @xml:lang, @rend, @rendition, @xml:base, @xml:space) (att.global.linking (@corresp, @synch, @sameAs, @copyOf, @next, @prev, @exclude, @select)) (att.global.analytic (@ana)) (att.global.facs (@facs)) (att.global.change (@change)) att.pointing (@targetLang, @target, @evaluate) att.internetMedia (@mimeType) att.typed (@type, @subtype) att.declaring (@decls)
cRef (canonical reference) specifies the destination of the reference by supplying a canonical reference from a scheme defined in a refsDecl element in the TEI header
Zustand Optional
Datentyp 1–∞ Vorkommen von 

<rng:ref name="data.word"/>
data.word
Durch Leerzeichen getrennt
Werte the value of cRef should be constructed so that when the algorithm for the resolution of canonical references (described in section 16.2.5 Canonical References) is applied to it the result is a valid URI reference to the intended target
Verwendet von
Enthalten in
analysis: cl phr s span
iso-fs: fDescr fsDescr
linking: ab seg
nets: eLeaf eTree
spoken: u writing
tagdocs: valDesc
verse: metSym rhyme
Kann enthalten
dictionaries: lang oRef oVar pRef pVar
gaiji: g
header: biblFull idno
iso-fs: fLib fs fvLib
textstructure: floatingText
verse: caesura rhyme
Deklaration

<rng:element name="ref">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.global.linking.attributes"/>
 <rng:ref name="att.global.analytic.attributes"/>
 <rng:ref name="att.global.facs.attributes"/>
 <rng:ref name="att.global.change.attributes"/>
 <rng:ref name="att.pointing.attributes"/>
 <rng:ref name="att.internetMedia.attributes"/>
 <rng:ref name="att.typed.attributes"/>
 <rng:ref name="att.declaring.attributes"/>
 <rng:optional>
  <rng:attribute name="cRef">
   <rng:list>
    <rng:ref name="data.word"/>
    <rng:zeroOrMore>
     <rng:ref name="data.word"/>
    </rng:zeroOrMore>
   </rng:list>
  </rng:attribute>
 </rng:optional>
 <rng:ref name="macro.paraContent"/>
</rng:element>
element ref
{
   att.global.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.global.change.attributes,
   att.pointing.attributes,
   att.internetMedia.attributes,
   att.typed.attributes,
   att.declaring.attributes,
   attribute cRef { list { data.word, data.word* } }?,
   macro.paraContent
}
Schematron

<s:report test="@target and @cRef">Only one of the
attributes 'target' and 'cRef' may be supplied.</s:report>
Beispiel
<ref
  target="http://www.natcorp.ox.ac.uk/Texts/A02.xml#s2">
See especially the second
sentence</ref> See also <ref>s.v. <term>locution</term>
</ref>.